.main {
    overflow: hidden;
    width: 1100px;
    margin: 0 auto;
}

.left {
    float: left;
    border: 1px solid #000;
    padding: 10px;
}

.left .top {
    margin-bottom: 20px;
}

.left .content {

}

.left .content textarea {

}

.right {
    float: right;
    border: 1px solid #000;
    padding: 10px;
}

.right .top {
    margin-bottom: 20px;
}

.right .content {

}

.right .content textarea {

}

.center {
    padding: 55px;
    float: left;
}

.center div {
    margin: 10px 0;
}

.center button {
    width: 100px;
    height: 40px;
    border-radius: 5px;
    text-align: center;
    line-height: 40px;
    color: #fff;
    font-weight: bold;
}

.center .go {
    background-color: #86DC48;
}

.center .copy {
    background-color: #FFCE44;
}

.center .clear {
    background-color: #FF2525;
}

.content-div {
    width: 400px;
    height: 270px;
    font-size: 12px;
    border: 1px solid rgb(169, 169, 169);
}